Abegaz Berhanu (PhD)G.Yohannes Paulos2018-06-212023-11-092018-06-212023-11-091980-06http://etd.aau.edu.et/handle/12345678/2786Artemisia rehan Chiov and Cyifopogon citratus (DC) Stapf are widely grown in thelighlands of Ethiopia. These plants occupy a significant|sition in Ethiopian I plantlore. | The oil of Artemisia rehan, anendemic plant to Ethiopia , has been analysed for the first time.' Eighteen components of the oil have Wen identified using GLC and/or MS. Two compounds, chamaiulene and dsvanone were isolated from the oil and characterized using ir , nmr and ms• Davanone (44/) and Camphor (27/) were found to be the major constituents of the oil. Cymbopogon citratus which is also widely grown in the tropics , is used as a. crop plant in many countries of the Western Hemisphere.' The oil of the Ethiopian variety was analysed for the first time. Fifteen - components of the oil have been identified using GLC and/or MS. The major component identified was geraniol (39D * The second major component (12/), not identified , is presumed to be an aromatic compoundenArtemisia rehanChiov and Cyifopogon citratusThesis